@book{27348,
	author = {Eddy, Gerald E.},
	title = {Geology of the Crystal oil field, Montcalm County, Michigan,},
	year = {1936.},
	series = {Michigan.  Dept. of Conservation.  Geological Survey Division.  Progress report,},
	address = {[Lansing?]},
	note = {Photoprinted.}
}